1.) What is genetic drift?
population is small so the allele frequencies in a populaiton change as a result of random events.
2.) What frequency divides the number of a certain allele by the total number of allele types?
allele frequency.
3.) What term do population geneticists use to describe the total genetic information available in a population?

4.) What is a phenotype frequency?
number of individuals with a particular phenotype divided by the total number of induvuduals in the population.
5.) What is the movement of individuals into a population?
imigration.
6.) In what type of selection do individuals with the average form of a trait have the highest fitness?
trait having the highest fitness.
7.) What is the selection of a mate based on similarity of characteristics?

8.) What is an example of sexual selection?


9.) What is the difference between prezygotic isolation and postzygotic isolation?


10.) What is a punctuated equilibrium?